diff options
| author | Mustafa Ismail <mustafa.ismail@intel.com> | 2022-02-28 12:36:50 -0600 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-03-15 16:22:55 -0300 |
| commit | 51cad2872435f79c63b81503d8d1c9f143172489 (patch) | |
| tree | df02bb9dc13a0360839503364cf4e79d1029eab5 /drivers/infiniband/hw/irdma/main.h | |
| parent | 2c25e45267d0c7517578b7203a55fba2b6f6564a (diff) | |
RDMA/irdma: Add support for address handle re-use
Address handles (AH) are a limited HW resource and some user applications
may create large numbers of identical AH's. Avoid running out of AH's by
reusing existing identical ones.
Link: https://lore.kernel.org/r/20220228183650.290-1-shiraz.saleem@intel.com
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/irdma/main.h')
| -rw-r--r-- | drivers/infiniband/hw/irdma/main.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/irdma/main.h b/drivers/infiniband/hw/irdma/main.h index 44365d1dc7b2..5123f5feaa2f 100644 --- a/drivers/infiniband/hw/irdma/main.h +++ b/drivers/infiniband/hw/irdma/main.h @@ -332,6 +332,8 @@ struct irdma_device { struct workqueue_struct *cleanup_wq; struct irdma_sc_vsi vsi; struct irdma_cm_core cm_core; + DECLARE_HASHTABLE(ah_hash_tbl, 8); + struct mutex ah_tbl_lock; /* protect AH hash table access */ u32 roce_cwnd; u32 roce_ackcreds; u32 vendor_id; |